Mount Lewotobi Laki-laki Erupts Again Tonight, Eruption Height Around 500 Meters

Mount Lewotobi Laki-laki in East Nusa Tenggara erupted again on Monday (10/6/2025) at 10:24 PM WITA. In the last week, Mount Lewotobi Laki-laki has erupted 3 times.

According to eruption information from the Center for Volcanology and Geological Hazard Mitigation (PVMBG) via the MAGMA Indonesia application, the height of the observed ash column was about 500 meters above the peak or 2,084 meters above sea level.

The ash column was observed to be gray with thick intensity towards the southwest and west. The eruption was recorded on a seismograph with a maximum amplitude of 5.9 millimeters and a duration of 95 seconds.

(Read: Earthquakes to Droughts, These Are the Natural Disasters That Often Occur in Indonesia Until Mid-2023)

According to the MAGMA Indonesia volcano activity report, the activity level of Mount Lewotobi Laki-laki is at Level III (Alert). Seismicity observations on October 6, 2025, from 12:00 PM to 6:00 PM WITA, showed 1 eruption earthquake with an amplitude of 7.4 millimeters and a duration of 690 seconds.

Subsequently, 1 rockfall earthquake with an amplitude of 2.9 mm and a duration of 42 seconds, and 11 non-harmonic tremors with amplitudes of 2.9-7.4 millimeters and durations of 64-125 seconds occurred.

PVMBG advises the public around Mount Lewotobi Laki-laki and visitors/tourists not to carry out any activities within a 6-kilometer radius from the center of the Mount Lewotobi Laki-laki eruption.

Throughout 2025, MAGMA Indonesia has recorded 6,558 volcanic eruptions across Indonesia. Mount Semeru in East Java had the most eruptions (2,569 times) while Mount Lewotobi Laki-laki erupted 685 times.

(Read: 5.3 M Earthquake Shakes 17 Km West of Pasuquin,)